CN115354673A - Hole forming method for anti-slide pile in red bed soft rock area and hoisting type manual auxiliary device - Google Patents
Hole forming method for anti-slide pile in red bed soft rock area and hoisting type manual auxiliary device Download PDFInfo
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- CN115354673A CN115354673A CN202210996219.6A CN202210996219A CN115354673A CN 115354673 A CN115354673 A CN 115354673A CN 202210996219 A CN202210996219 A CN 202210996219A CN 115354673 A CN115354673 A CN 115354673A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000011435 rock Substances 0.000 title claims abstract description 32
- 238000005553 drilling Methods 0.000 claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000002787 reinforcement Effects 0.000 claims description 20
- 239000002893 slag Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 4
- 241001669679 Eleotris Species 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 55
- 230000006835 compression Effects 0.000 description 25
- 238000007906 compression Methods 0.000 description 25
- 239000000872 buffer Substances 0.000 description 15
- 239000002689 soil Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 240000007643 Phytolacca americana Species 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 235000001270 Allium sibiricum Nutrition 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010013883 Dwarfism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- QWDJLDTYWNBUKE-UHFFFAOYSA-L magnesium bicarbonate Chemical compound [Mg+2].OC([O-])=O.OC([O-])=O QWDJLDTYWNBUKE-UHFFFAOYSA-L 0.000 description 1
- 229910000022 magnesium bicarbonate Inorganic materials 0.000 description 1
- 235000014824 magnesium bicarbonate Nutrition 0.000 description 1
- 239000002370 magnesium bicarbonate Substances 0.000 description 1
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- 239000002002 slurry Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The embodiment of the application provides a hole forming method for an anti-slide pile in a red-layer soft rock area and a hoisting type manual auxiliary device, and relates to the field of anti-slide pile construction. The hole forming method of the anti-slide pile in the red layer soft rock area comprises the following steps: pile position measurement: the method is characterized in that a total station is adopted to carry out accurate measurement before the construction of the bored pile, and the total station and a roadbed are jointly measured to form a closed triangular net, then the position of the bored pile is accurately measured, and a guard pile is measured and embedded, so that the accuracy of the position is ensured. According to the hole forming method, drilling is carried out by locally expanding 5 cm, manual assistance is matched, the hole is integrally formed by manpower compared with machinery, the excavation size is convenient to control, the guarantee of the size is further improved, the middle part is drilled by adopting 2.1 m drill holes, the drilling efficiency of the drill holes is improved, the residual part is less, the part needing manual chiseling is less, the labor intensity is reduced, the hole forming economy is good, the acoustic pipe is installed to be used as a detection channel and replace a part of steel bar section, and the acoustic pipe can also be used as a pipeline for pile bottom grouting.
Description
Technical Field
The application relates to the technical field of slide-resistant pile construction, in particular to a hole forming method and a hoisting type manual auxiliary device for a slide-resistant pile in a red-bed soft rock area.
Background
The red layer mainly refers to lake phase, river-lake alternating phase or land phase clastic rock such as mountain foot flood, which are from the middle generation, namely the triad system, the dwarfism system, the chalk system and the ancient and near system of the new generation, and mostly appears in an interlayer mutual layer mode, the main color is red in appearance, surface water of the famous mountain to the whole area of the sky is mainly developed and distributed in red layer areas, no large factories and mines exist, the industrial pollution is generally avoided, the water quality is good, the chemical type of water is simple, the water belongs to the type of heavy calcium carbonate, the water is the type of sodium bicarbonate and the type of magnesium bicarbonate, the mineralization degree is generally less than 0.5mg/L, the hardness is 10-18, and the pH value is 6.8-7.5.
For the anti-slide pile in the area, before excavation, pile holes are firstly adjusted upwards by 1m according to the designed elevation to level the field, after the field is confirmed to be handed over, anti-slide pile construction is carried out, a rotary drilling rig is basically adopted to assist manual picking and drilling for forming the holes, after the hole forming is finished, after indexes such as the hole diameter, the hole depth and the verticality are checked to be qualified, a steel reinforcement cage is immediately installed and concrete is poured, and the anti-slide pile based on the red soft rock area, particularly for the square anti-slide pile, the fewer manual aids are used, the higher the safety is, but when the rotary drilling rig excavates, the protruding part of the hole wall is picked and the hole bottom is cleaned up by the manual aids, so that the step that no sediment is left at the hole bottom is indispensable, the existing hole forming process mode is the scheme shown in the figures 1 to 2, and the number of the residual manual picking and drilling parts is still more after the rotary drilling rig excavates, so that the hole forming economy is poor, and the comprehensive drilling efficiency is low.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a red bed soft rock area slide-resistant pile hole forming method and a hoisting type manual auxiliary device, and the red bed soft rock area slide-resistant pile hole forming method has the effects of good size guarantee, higher drilling efficiency of middle 2.1 m drill holes and less residual manual chiseling parts.
In a first aspect, a method for forming a hole in an anti-slide pile in a red layer soft rock area according to an embodiment of the application comprises the following steps:
pile position measurement: before the construction of the bored pile, a total station is adopted for accurate measurement, and the total station and the roadbed are jointly measured to form a closed triangular net, then the position of the bored pile is accurately measured, and a guard pile is measured and embedded, so that the accuracy of the position is ensured;
manufacturing a locking notch and an orifice protecting wall: for safety and hole position locking, performing locking construction according to measurement positioning before drilling to ensure the stability of the hole opening, making a retaining wall within 1m below the hole opening, and constructing the retaining wall according to geological conditions below 1 m;
installing a drilling machine: after the drilling machine is in place, the base is leveled to ensure that the center of the drill bit and the center of the hole site are on the same plumb line and the deviation with the center of the hole site is within a standard allowable range, the verticality of the drill frame is adjusted to meet the requirements, and the drill frame, the drill bit and other parts are firmly connected and operate well;
installing a drill frame: the drill frame is stably installed, and a fine wire hanging heavy hammer is adopted for detection when the drill is positioned, so that the deviation between the center of the drill bit and the center of a hole site is not more than 2 cm;
and (3) rotary excavating construction: after the drilling is started, the drilling machine is leveled to be aligned with the drilled hole, the drill bit is lifted and slowly put into the drilled hole, the pile position is aligned, and the drilling is started. In the drilling process, the drill bit is strictly controlled to be improved by no more than 2 meters, during drilling, hole detection is needed to prevent hole deviation, and the drilling machine, the drill bit, the steel wire rope and the fixture are detected in the drilling operation;
hole forming is conducted in a rotary drilling mode: 4 holes are formed by a drill bit with the length of 1.2 meters at the periphery, and then 1 hole is formed by a drill bit with the length of 2.1 meters in the middle. Drilling by locally expanding 5 cm outwards to ensure the size property, and manually removing and chiseling the rest part;
rock stratum sampling: when drilling to a rock stratum, taking a slag sample in a layering way, and filling elevation, size, pile number and date in a slag sample bag;
manual assistance: after mechanical hole forming, a hoisting type manual auxiliary device is installed, a cleaning position is reached by means of a hanging basket, the corresponding position needing chiseling is opened, a pneumatic pick is used for chiseling the protruding part of the hole wall from top to bottom and cleaning the hole bottom to form slag, and the hole bottom is guaranteed to be free of sediment;
and (4) hole forming and acceptance checking: inspecting the depth, size, hole position and verticality of the hole by using a hole inspection device;
hoisting a steel reinforcement cage: the dead weight of each pile reinforcement cage reaches 10 tons, the reinforcement cages are connected by adopting a single reinforcement outside the hole, and the pile reinforcement cages are hung in the hole by a single crane in a manual matching manner, and are installed one by manually going into the well;
installing a pile foundation sounding pipe: arranging 6 sounding pipes of each pile, checking whether pipe walls are damaged or not, checking whether joints are qualified or not, and determining the length of each sounding pipe, wherein the length of each sounding pipe needs to be determined according to the length of each section of the reinforcement cage, and the sounding pipes cannot be too long or too short, otherwise, the upper sounding pipe and the lower sounding pipe cannot be connected;
pouring concrete: before concrete pouring, pumping accumulated water in the holes to remove slurry, and pouring the pile body concrete 30-50 cm higher than the designed elevation of the pile top to ensure the quality of the pile body concrete after the pile head is cut off;
treating the pile head: the pile head is removed by adopting a manual pneumatic pick mode, the pile head is removed to the position of uniform concrete aggregate at the pile top elevation or below the pile top elevation, and high-grade concrete pile connection is adopted for the pile head lower than the designed elevation.
According to some embodiments of the application, the machine base of the drilling machine is tightly plugged by a sleeper pad, so that stable fixation is ensured.
According to some embodiments of the application, the outgoing length of the sounding pipe is 12 meters, 9 meters and 3 meters, and the model number of the sounding pipe is reasonably matched according to the length of the reinforcement cage.
According to some embodiments of the present application, the concrete placement is performed by using a natural pump placement, a vibrating rod vibration.
In a second aspect, according to the manual auxiliary device of hoist and mount formula of this application embodiment, this manual auxiliary device of hoist and mount formula is used in the manual assistance of red layer soft rock district friction pile pore-forming method and is protected, include: the auxiliary frame assembly and the hanging flower basket assembly.
The auxiliary frame component comprises a support piece, a double-layer connecting frame, a bottom plate piece, side plate pieces, a separated bolt mechanism and a rope hanging piece, wherein the support piece is fixedly connected to the upper side and the lower side of the four corners of the double-layer connecting frame, a basic frame is formed by the support piece and the double-layer connecting frame, the bottom plate piece is rotatably connected to the two ends of the basic frame, the side plate pieces are respectively rotatably connected to the support piece and the side plate pieces at the same side, the side plate pieces are locked through door pins, the separated bolt mechanism is respectively installed on the double-layer connecting frame and the bottom plate piece, the upper end of the bottom plate piece can be fixed to the support piece, the separated bolt mechanism can be separated from the bottom plate piece and the support piece, the two ends of the rope hanging piece are respectively connected to the bottom plate piece and the support piece, the basket component comprises a basket support and a basket, the basket support is fixedly connected to the top end of the basic frame, traction steel ropes are fixed to four corners of the basket, and the traction steel ropes are connected to a hoist through guide wheels.
According to some embodiments of the application, the support member comprises a main support bar and an auxiliary support bar, and the main support bar and the auxiliary support bar are fixedly inserted into four corners of the inner layer and the outer layer of the double-layer connecting frame.
According to some embodiments of this application, double-deck link includes outer connecting rod, outer fixed sleeve, inlayer connecting rod, backplate and baffle, outer fixed sleeve with outer connecting rod mutual fixed connection becomes outer frame, inlayer fixed sleeve with inlayer connecting rod mutual fixed connection becomes inlayer frame, outer fixed sleeve with inlayer fixed sleeve mutual fixed connection, backplate fixed connection in both sides about the inlayer connecting rod, backplate fixed connection in the baffle upside, the baffle can block the side plate spare, the side plate spare passes through the door pin lock in the baffle.
According to some embodiments of this application, the lifting rope spare includes first link, supports cable wire and anticreep lifting hook, first link with anticreep lifting hook fixed connection respectively in support the cable wire both ends, first link cup joint in assist the bracing piece, the anticreep lifting hook articulate in bottom plate spare.
According to some embodiments of this application, be provided with the second link on the supplementary bracing piece, first link cup joint in the second link, fixedly connected with third link on the bottom plate spare, the anticreep lifting hook articulate in the third link.
According to some embodiments of this application, the curb plate piece includes the curb plate, the wire rope handling hole has been seted up to the curb plate, the anticreep lifting hook can through the wire rope handling hole articulate in the third link.
According to some embodiments of the application, the bottom plate member comprises a bottom plate, a rope guide ring and an unlocking rope, the rope guide ring is fixedly connected to the outer wall of the bottom end of the bottom plate, the upper end of the unlocking rope is fixedly connected to the inner side wall of the bottom plate, the unlocking rope penetrates through the rope guide ring, a rope hole is formed in the bottom plate, the separate type bolt mechanism comprises a guide pulling and locking part, a rotation pulling and locking plate and an elastic bolt lock, the guide pulling and locking part is arranged on the outer side of the baffle on the lower side of the inner layer connecting rod, one side of the guide pulling and locking part penetrates through the baffle and then is connected to the unlocking rope, the lower end of the rotation pulling and locking plate is rotatably connected to the inner side wall of the bottom plate, the elastic bolt lock is fixedly connected to the outer side of the bottom plate, the end part of the elastic bolt lock can lock the bottom plate to the auxiliary supporting rod, one side of the elastic bolt lock penetrates through the bottom plate, one side of the bottom plate is slidably connected to the rotation pulling and locking plate, a tensioning ring is arranged on the supporting steel rope, a hanging basket is fixedly connected to the pulling plate, a pulling rope is fixedly connected to the tensioning ring on the supporting steel rope, and a pulling plate, and the pulling rope penetrates through the rope hole on the upper layer.
According to some embodiments of the application, the guide pulling and locking part comprises a buffer sleeve, a first compression spring, a support lug plate, a connecting rod, a pulling and locking rod and a force application rod, the buffer sleeve is fixedly connected with the outer side of the baffle, the first compression spring is arranged in the buffer sleeve, the support lug plate is fixedly connected with the outer side of the baffle, the connecting rod is slidably connected with the support lug plate, one end of the connecting rod is slidably connected with the inner part of the buffer sleeve respectively, the end part of the buffer sleeve can block the connecting rod, which is inserted into one end of the buffer sleeve, the connecting rod is tightly pressed at two ends of the first compression spring respectively, the pulling and locking rod is fixedly connected with the force application rod on one side of the connecting rod, the pulling and locking rod can drive the upper end of the rotating pulling and locking plate, the unlocking rope passes through the rope guide ring and then is fixed on the force application rod.
According to some embodiments of the application, a rope loop is fixedly connected to the force application rod, and the unlocking rope passes through the rope guide loop and is fixedly connected to the rope loop.
According to some embodiments of the application, rotate and pull out the jam plate package rubbing board body and pivot, pivot fixed connection in the bottom plate inner wall, the plate body lower extreme rotate connect in the pivot, the spout has been seted up on the plate body, the elasticity bolt lock passes bottom plate one side sliding connection in the spout, the pulling out the locking lever can drive plate body upper end.
According to some embodiments of the application, elasticity bolt lock includes lock sleeve, sliding plate, slide bar, limiting plate, second compression spring, spring bolt and poker rod, the lock sleeve with sliding plate fixed connection in the plate body outer wall, slide bar sliding connection in the sliding plate, limiting plate fixed connection in slide bar one end, second compression spring cup joint in the slide bar, second compression spring both ends compress tightly respectively in the limiting plate with the sliding plate, spring bolt fixed connection in limiting plate one side, the spring bolt slide peg graft in the lock sleeve, the spring bolt can lock in the auxiliary stay pole, the spring bolt can lock in the inlayer connecting rod, poker rod fixed connection in the slide bar is kept away from limiting plate one end, be provided with the draw-in groove on the poker rod, the poker rod pass through draw-in groove sliding connection in the spout.
The beneficial effect of this application is: according to the hole forming method, drilling is carried out by locally expanding 5 cm, manual assistance is matched, hole forming is carried out integrally by manpower compared with machinery, the excavation size is convenient to control, the guarantee of the size is further improved, 2.1 m drilling is adopted in the middle part, so that the drilling efficiency is improved, the remaining part is less, the part needing manual chiseling is less, the labor intensity is reduced, the hole forming economy is good, a sound measuring pipe is installed to be used as a detection channel and replace a part of a section of a reinforcing steel bar, the sound measuring pipe can also be used as a pipeline for grouting at the bottom of a pile, the sound measuring pipe can be used as a pipeline for washing and grouting the defect of an accident pile, measures are required to be taken to punch through the pipeline at the defect part needing grouting, and ultrasonic transmission detection can be carried out through the sound measuring pipe.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a first method for forming a hole in an anti-slide pile in a red bed soft rock area;
FIG. 2 is a schematic diagram of a second method for forming a hole in an anti-slide pile in a red soft rock area;
FIG. 3 is a schematic diagram of a hole forming method for a sliding pile in a red soft rock area according to an embodiment of the application;
FIG. 4 is a schematic diagram of installation of a pile foundation sound measuring pipe of the anti-slide pile hole forming method for the red soft rock area according to the embodiment of the application;
FIG. 5 is a schematic perspective view of a suspended artificial assistant device according to an embodiment of the present application;
FIG. 6 is a partial perspective view of a suspended artificial assistant device according to an embodiment of the present application;
FIG. 7 is a perspective view of a double-deck hitch frame according to an embodiment of the present application;
FIG. 8 is a schematic perspective view of a hoist rope at an embodiment according to the application;
FIG. 9 is a schematic perspective view of a floor member according to an embodiment of the present application;
FIG. 10 is a perspective view of a breakaway latch mechanism according to an embodiment of the present application;
FIG. 11 is a schematic perspective view of a boot lock according to an embodiment of the present application;
FIG. 12 is a perspective view of a rotating dial plate according to an embodiment of the present application;
fig. 13 is a perspective view of a deadbolt lock according to an embodiment of the present application.
Icon: 100-an auxiliary frame assembly; 110-a support; 111-main support bar; 112-auxiliary support rods; 120-double layer connecting frame; 121-outer layer connecting rod; 122-outer layer fixed sleeve; 123-inner layer fixing sleeve; 124-inner layer connecting rod; 125-guard plate; 126-a baffle; 130-floor member; 131-a bottom plate; 132-a rope guide ring; 133-unlocking the cord; 134-rope passing holes; 140-side plate members; 141-side plates; 142-a stringing hole; 150-a breakaway latch mechanism; 151-guide pull lock portion; 1511-buffer sleeve; 1512-a first compression spring; 1513-supporting ear plate; 1514-link; 1515-pulling the locking bar; 1516-force application rod; 1517-hanging rope ring; 152-rotating the pulling lock plate; 1521-plate body; 1522-rotating shaft; 1523-chute; 153-resilient latch lock; 1531-a lock sleeve; 1532-sliding plates; 1533-a slide bar; 1534-limiting plate; 1535-a second compression spring; 1536-locking tongue; 1537-a tap lever; 1538-card slot; 160-a sling piece; 161-first suspension loop; 162-a support wire; 163-drop-off prevention hook; 164-a second suspension loop; 165-a third link; 166-a tension ring; 200-a basket assembly; 210-basket support; 220-hanging basket.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
The following describes a hole forming method and a hoisting type artificial assistance device for a slide pile in a red soft rock area according to an embodiment of the application with reference to the accompanying drawings.
Referring to fig. 1 to 3, a method for forming a hole in a sliding pile in a red soft rock zone according to an embodiment of the present application includes:
pile position measurement: before the construction of the bored pile, a total station is adopted for accurate measurement, and the total station and the roadbed are jointly measured to form a closed triangular net, then the position of the bored pile is accurately measured, and a guard pile is measured and embedded, so that the accuracy of the position is ensured;
manufacturing a locking notch and an orifice protecting wall: for safety and hole position locking, performing locking construction according to measurement positioning before drilling to ensure the stability of the hole opening, making a retaining wall within 1m below the hole opening, and constructing the retaining wall according to geological conditions below 1 m;
installing a drilling machine: after the drilling machine is in place, the base is leveled to ensure that the center of the drill bit and the center of the hole site are on the same plumb line and the deviation with the center of the hole site is within a standard allowable range, the verticality of the drill frame is adjusted to meet the requirements, and the drill frame, the drill bit and other parts are firmly connected and operate well;
the machine seat of the drilling machine is tightly plugged by a sleeper pad, so that stable fixation is ensured.
Installing a drill frame: the drill frame is stably installed, and a fine wire hanging heavy hammer is adopted for detection when the drill is positioned, so that the deviation between the center of the drill bit and the center of a hole site is not more than 2 cm;
rotary excavating construction: after the drilling is started, the drilling machine is leveled to be aligned with the drilled hole, the drill bit is lifted and slowly put into the drilled hole, the pile position is aligned, and the drilling is started. In the drilling process, the drill bit is strictly controlled to be improved by no more than 2 meters, during drilling, hole detection is needed to prevent hole deviation, and the drilling machine, the drill bit, the steel wire rope and the fixture are detected in the drilling operation;
hole forming is conducted in a rotary drilling mode: 4 holes are formed by a drill bit with the length of 1.2 meters on the periphery, and then 1 hole is formed by a drill bit with the length of 2.1 meters in the middle. Locally drilling by expanding 5 cm outwards, ensuring the size property, and manually removing and chiseling the rest part;
rock stratum sampling: when drilling to a rock stratum, taking a slag sample in a layering way, and filling elevation, size, pile number and date in a slag sample bag;
manual assistance: after mechanical hole forming, a hoisting type manual auxiliary device is installed, a cleaning position is reached by means of a hanging basket, the corresponding position needing chiseling is opened, a pneumatic pick is used for chiseling the protruding part of the hole wall from top to bottom and cleaning the hole bottom to form slag, and the hole bottom is guaranteed to be free of sediment;
and (4) hole forming and acceptance checking: inspecting the depth, size, hole position and verticality of the hole by using a hole inspection device;
hoisting a steel reinforcement cage: the dead weight of each pile reinforcement cage reaches 10 tons, the reinforcement cages are connected by adopting a single steel bar outside a hole, and the pile reinforcement cages are hung into the hole by a single crane in a manual matching mode and are installed one by one in a manual well descending mode.
Referring to fig. 4, the installation of the pile foundation sounding pipe: arranging 6 sounding pipes of each pile, checking whether pipe walls are damaged or not, checking whether joints are qualified or not, and determining the segment length of each sounding pipe, wherein the length of each sounding pipe needs to be determined according to the segment length of the reinforcement cage, and the lengths of the sounding pipes cannot be too long or too short, otherwise, the upper and lower sounding pipes cannot be connected;
the factory length of the sounding pipe is 12 meters, 9 meters and 3 meters, and the model of the sounding pipe is reasonably matched according to the length of the reinforcement cage.
Pouring concrete: before pouring concrete, pumping accumulated water in the holes to remove mud, and pouring concrete of the pile body 30-50 cm higher than the designed elevation of the pile top to ensure the quality of the concrete of the pile body after cutting off the pile head;
concrete pouring is carried out in a mode of pump pouring and vibration of a vibration rod.
Treating the pile head: the pile head is removed by adopting a manual pneumatic pick mode, the pile head is removed to the position of uniform concrete aggregate at the pile top elevation or below the pile top elevation, and high-grade concrete pile connection is adopted for the pile head lower than the designed elevation.
The upper pore-forming method comprises drilling by locally expanding 5 cm, and matching with manual assistance, as the hole is integrally formed by manpower compared with machinery, the excavation size is convenient to control, and the guarantee of the size is improved, the middle part adopts 2.1 m drilling, so that the drilling efficiency of the drilling is improved, the rest part is less, the part needing manual digging is less, the labor intensity is reduced, the pore-forming economy is good, a sound measurement pipe is arranged to be used as a detection channel and replace a part of the section of a reinforcing steel bar, the sound measurement pipe can also be used as a pipeline for grouting at the bottom of a pile, the sound measurement pipe can be used as a pipeline for washing and grouting the defect of an accident pile, measures are required to be taken to punch through the pipeline at the defect part needing grouting, and the ultrasonic transmission method detection can be carried out through the sound measurement pipe.
Referring to fig. 5 to 13, in the hole forming process of the anti-skidding pile in the red soft rock zone in the related art, during the hole forming process by manual assistance, the remaining part of the anti-skidding pile is manually dug in a staged excavation manner (i.e., a rotary excavating machine is used for excavating a section of the anti-skidding pile, and a manual assistance excavation section is used for excavating a section of the anti-skidding pile), so that the situation that the collapse of the pile hole affects the personal safety of personnel is reduced.
Therefore, the inventor has long-term practical research to solve the technical problem. Specifically, this artifical auxiliary device of hoist and mount formula, the artifical supplementary this artifical auxiliary device of hoist and mount formula of using of red layer soft rock district friction pile pore-forming method protects, include: an auxiliary frame assembly 100 and a basket assembly 200.
Referring to fig. 6, the auxiliary frame assembly 100 includes a supporting member 110, a double-layered connecting frame 120, a bottom plate member 130, side plate members 140, a separate latch mechanism 150, and a hanging rope member 160, the supporting member 110 is fixedly connected to upper and lower sides of four corners of the double-layered connecting frame 120, a basic frame is formed by the supporting member 110 and the double-layered connecting frame 120, the bottom plate member 130 is rotatably connected to the double-layered connecting frame 120 at two ends of the basic frame, the side plate members 140 are respectively rotatably connected to the supporting member 110, the side plate members 140 at the same side are locked by door pins, the separate latch mechanisms 150 are respectively mounted on the double-layered connecting frame 120 and the bottom plate member 130, the separate latch mechanisms 150 can fix the upper end of the bottom plate member 130 to the supporting member 110, the separate latch mechanisms 150 can release the connection between the bottom plate member 130 and the supporting member 110, and two ends of the hanging rope member 160 are respectively connected to the bottom plate member 130 and the supporting member 110.
In this embodiment, the basket assembly 200 includes a basket support 210 and a basket 220, the basket support 210 is fixedly connected to the top end of the base frame, and traction cables are fixed to four corners of the basket 220, and the traction cables are connected to the elevator through guide wheels. When the lifting rope type support frame is used, a person goes to a position needing manual chiseling through the hanging basket 220, the separated bolt mechanism 150 is operated, the separated bolt mechanism 150 is unlocked, the bottom plate piece 130 overturns under the action of gravity and falls down, the two bottom plate pieces 130 are overlapped to form a support structure for the person to stand, the lifting rope piece 160 forms a protective type tension support bottom plate piece 130, the double-layer connecting frame 120 can support the separated bolt mechanism 150, at the moment, the person can stand on the support structure to chive the residual soil at the two ends of the basic frame, a door pin locked on the side plate piece 140 is unlocked, the lifting rope piece 160 is unlocked, the side plate piece 140 is overturned and opened, the lifting rope piece 160 penetrates through the side plate piece 140 to be connected, at the moment, the person can chiseling the residual soil at the two sides of the basic frame, the bottom plate piece 130 and the side plate piece 140 which are not opened are arranged above and below a manual operation area to be protected, even if the bottom plate piece 130 and the side plate piece 140 collapse can resist the partial soil, and the situation that the personal safety influence on the person is reduced is caused.
Referring to fig. 7, the supporting member 110 includes a main supporting rod 111 and an auxiliary supporting rod 112, and the main supporting rod 111 and the auxiliary supporting rod 112 are fixedly inserted into four corners of the inner and outer layers of the double-layer connecting frame 120. The basic frame adopts the double-deck support of main bracing piece 111 and auxiliary bracing piece 112, improves the bulk strength of basic frame, improves its ability of resisting the deformation, and auxiliary bracing piece 112 is located main bracing piece 111 inboard simultaneously, reduces auxiliary bracing piece 112 and contacts outside soil, influences the condition emergence of bottom plate spare 130 and the upset of curb plate spare 140. The double-layer connecting frame 120 comprises an outer layer connecting rod 121, an outer layer fixing sleeve 122, an inner layer fixing sleeve 123, an inner layer connecting rod 124, a guard plate 125 and a baffle plate 126, the outer layer fixing sleeve 122 and the outer layer connecting rod 121 are fixedly connected into an outer layer frame, the inner layer fixing sleeve 123 and the inner layer connecting rod 124 are fixedly connected into an inner layer frame, the outer layer fixing sleeve 122 and the inner layer fixing sleeve 123 are fixedly connected with each other, in the embodiment, the main supporting rod 111 is in threaded connection with the outer layer fixing sleeve 122 of the upper layer and the lower layer, the auxiliary supporting rod 112 is in threaded connection with the inner layer fixing sleeve 123 of the upper layer and the lower layer, and basic frame assembling is facilitated. The guard plate 125 is fixedly connected to the upper and lower sides of the inner connecting rod 124, the guard plate 125 is fixedly connected to the upper side of the baffle plate 126, the baffle plate 126 can block the side plate 140, and the side plate 140 is locked to the baffle plate 126 through a door pin. When the side plate members 140 are closed, the baffle plates 126 block the side plate members 140, so that the situation that the side plate members 140 are turned outwards excessively is reduced, and when the bottom plate members 130 are turned over, the guard plates 125 on the lower sides of the inner connecting rods 124 can block the bottom plate members 130, so that the turned-over positions of the bottom plate members 130 are limited, and the bottom plate members 130 can be conveniently locked by the separated latch mechanisms 150.
Referring to fig. 8, the lifting rope 160 includes a first hanging ring 161, a supporting cable 162 and an anti-drop hook 163, the first hanging ring 161 and the anti-drop hook 163 are respectively and fixedly connected to two ends of the supporting cable 162, the first hanging ring 161 is sleeved on the auxiliary supporting rod 112, and the anti-drop hook 163 is hung on the bottom plate 130. The auxiliary support rod 112 is provided with a second hanging ring 164, the first hanging ring 161 is sleeved on the second hanging ring 164, the bottom plate 130 is fixedly connected with a third hanging ring 165, and the anti-dropping hook 163 is hung on the third hanging ring 165. The side plate member 140 includes a side plate 141, the side plate 141 is provided with a rope threading hole 142, and the anti-drop hook 163 can be hung on the third hanging ring 165 through the rope threading hole 142. Before the side plate member 140 is opened, the hooking of the anti-falling hook 163 and the third hanging ring 165 is released, the side plate 141 is turned over to be opened, the anti-falling hook 163 passes through the rope threading hole 142 and then is hung on the third hanging ring 165 again, and the anti-falling hook 163 can be used as a tensioning rope system of the bottom plate member 130 through the supporting steel rope 162, so that the situation that the bottom plate member 130 loses the support due to the fact that the separated type bolt mechanism 150 is accidentally separated from the double-layer connecting frame 120 is reduced.
Referring to fig. 9 and 10, in the process of forming the hole in the anti-slide pile in the red soft rock area in the related art, a manual assisting device is used to protect personnel, but the external force consumption is large when the bottom plate is opened and closed by the personnel through manpower, and the personnel is in the hanging basket and is not convenient to operate, and in the process of opening the hanging basket by the personnel, the hanging basket interferes with the opening of the bottom plate and the side plates 141, so that how to control the opening and closing of the bottom plate by using the traction force of the hanging basket and how to reduce the influence of the hanging basket on the opening of the bottom plate and the side plates 141 become technical problems to be solved.
In order to solve the technical problems, the invention further adopts the technical scheme that: the bottom plate member 130 comprises a bottom plate 131, a rope guide ring 132 and an unlocking rope 133, the rope guide ring 132 is fixedly connected to the outer wall of the bottom end of the bottom plate 131, the upper end of the unlocking rope 133 is fixedly connected to the inner side wall of the bottom plate 131, the unlocking rope 133 penetrates through the rope guide ring 132, a rope hole 134 is formed in the bottom plate 131, the separable latch mechanism 150 comprises a guide unlocking portion 151, a rotary unlocking plate 152 and an elastic latch lock 153, the guide unlocking portion 151 is arranged on the outer side of a baffle 126 on the lower side of the inner layer connecting rod 124, one side of the guide unlocking portion 151 penetrates through the baffle 126 and then is connected to the unlocking rope 133, the lower end of the rotary unlocking plate 152 is rotatably connected to the inner side wall of the bottom plate 131, the elastic latch lock 153 is fixedly connected to the outer side of the bottom plate 131, the end portion of the elastic latch lock 153 can lock the bottom plate 131 to the auxiliary supporting rod 112, one side of the elastic latch lock 153 penetrates through the bottom plate 131 and is slidably connected to the rotary unlocking plate 152, a tension ring 166 is arranged on the supporting steel rope 162, a hanging basket 220 is fixedly connected to a tension plate rope after the rope penetrates through the rope hole 134 on the upper layer, and is fixedly connected to a tension ring 166 on the lower supporting steel rope 162. When the bottom plate 131 needs to be opened, a person goes down to a position on the upper layer of the position needing to be opened through the hanging basket 220, the person pulls the unlocking rope 133 or pulls the unlocking rope 133 through a pulling plate rope on the hanging basket 220, the lower end of the unlocking rope 133 slides along the rope guide ring 132, the lower end of the unlocking rope 133 pulls the guide pulling part 151 to move, the guide pulling part 151 pushes the upper end of the rotary pulling plate 152, the rotary pulling plate 152 rotates around the lower end, the rotary pulling plate 152 pulls the end part of the elastic latch lock 153 to retract, the locking of the elastic latch lock 153 on the bottom plate 131 is released, the bottom plate 131 can be turned down under the action of gravity, and the rotary pulling plate 152 and the elastic latch lock 153 are separated. The end part of the elastic latch lock 153 is popped out under the action of elasticity, the end part of the elastic latch lock 153 can lock the bottom plate 131 on the auxiliary support rod 112, and then the bottom plate 131 is matched with the support steel cable 162 to form a protective type tensioning support, the safety of a person standing on the bottom plate 131 is improved by matching the support of the elastic latch lock 153 with the support steel cable 162 through the bottom plate 131, at this time, the person can control the bottom plate 131 of the lower layer to unfold at the upper layer to form a support structure of the person, the person then falls on the bottom plate 131 through the hanging basket 220, the person can stand on the support structure, at this time, the hanging basket 220 can be lifted, the side plates 141 are opened again, the interference of the hanging basket 220 on the opening of the bottom plate 131 and the side plates 141 is reduced, when the bottom plate 131 and the side plates 141 are closed, the side plates 141 are firstly closed, the pulling plate rope passes through the rope passing hole 134 of the upper layer and then is connected to the tensioning ring 166, the hanging basket 220 is lifted, the pulling plate rope pulls the pulling rope, the pulling rope pulls the bottom plate 166, the external force for providing the closing of the bottom plate 131 by utilizing the hanging basket 220, the falling, the external force for reducing the closing of the person, and the situation of the manual consumption is greatly.
Referring to fig. 11, the guiding and unlocking portion 151 includes a buffer sleeve 1511, a first compression spring 1512, a support ear plate 1513, a connecting rod 1514, an unlocking rod 1515 and a force applying rod 1516, the buffer sleeve 1511 is fixedly connected to the outside of the baffle 126, the first compression spring 1512 is disposed in the buffer sleeve 1511, the support ear plate 1513 is fixedly connected to the outside of the baffle 126, the connecting rod 1514 is slidably connected to the support ear plate 1513, one end of the connecting rod 1514 is respectively slidably inserted into the buffer sleeve 1511, the end of the buffer sleeve 1511 can block one end of the connecting rod 1514 inserted into the buffer sleeve 1511, the connecting rod 1514 is respectively pressed against two ends of the first compression spring 1512, the unlocking rod 1515 and the force applying rod 1516 are fixedly connected to one side of the connecting rod 1514, the unlocking rod 1515 can drive the upper end of the rotation unlocking plate 152, and the unlocking rope 133 passes through the rope guiding ring 132 and then is fixed to the force applying rod 1516. The rope hanging ring 1517 is fixedly connected to the force applying rod 1516, and the unlocking rope 133 passes through the rope guiding ring 132 and is fixedly connected to the rope hanging ring 1517. The unlocking rope 133 pulls the force application rod 1516 through the rope hanging ring 1517, the force application rod 1516 drives the connecting rod 1514 to move towards the inside of the buffer sleeve 1511, the connecting rod 1514 presses the first compression spring 1512, the connecting rod 1514 drives the unlocking rod 1515, the unlocking rod 1515 dials the rotating unlocking plate 152, the unlocking rope 133 is loosened, and the first compression spring 1512 pushes the connecting rod 1514 to return to the original position.
Referring to fig. 12, the rotating pulling plate 152 includes a plate body 1521 and a rotating shaft 1522, the rotating shaft 1522 is fixedly connected to the inner wall of the bottom plate 131, the lower end of the plate body 1521 is rotatably connected to the rotating shaft 1522, a sliding slot 1523 is formed in the plate body 1521, the elastic latch lock 153 passes through one side of the bottom plate 131 and is slidably connected to the sliding slot 1523, and the pulling rod 1515 can drive the upper end of the plate body 1521.
Referring to fig. 13, the elastic latch lock 153 includes a lock sleeve 1531, a sliding plate 1532, a sliding rod 1533, a limiting plate 1534, a second compression spring 1535, a latch 1536, and a poking rod 1537, wherein the lock sleeve 1531 and the sliding plate 1532 are fixedly connected to an outer wall of the plate 1521, the sliding rod 1533 is slidably connected to the sliding plate 1532, the limiting plate 1534 is fixedly connected to one end of the sliding rod 1533, the second compression spring 1535 is sleeved on the sliding rod 1533, two ends of the second compression spring 1535 are respectively pressed against the limiting plate 1534 and the sliding plate 1532, the latch 1536 is fixedly connected to one side of the limiting plate 1534, the latch 1536 is slidably inserted into the lock sleeve 1531, the latch 1536 is capable of being locked to the auxiliary supporting rod 112, the latch 1536 is capable of being locked to the inner connecting rod 124, the poking rod 1537 is fixedly connected to one end of the sliding rod 1533 away from the limiting plate 1534, the poking rod 1537 is provided with a slot 1538, and the poking rod 1537 is slidably connected to the sliding groove 1523. The plate body 1521 rotates, the plate body 1521 drives the poke rod 1537, the poke rod 1537 drives the slide bar 1533 to slide along the sliding plate 1532, the lock tongue 1536 slides and retracts along the lock sleeve 1531, the limit plate 1534 moves along with the slide bar 1533, the limit plate 1534 drives the second compression spring 1535 to compress, the elastic force of the second compression spring 1535 is increased, and after the plate body 1521 and the poke rod 1515 are separated, the lock tongue 1536 returns to the original position under the elastic force of the second compression spring 1535.
Specifically, the working principle of the hole forming method of the anti-slide pile in the red bed soft rock area and the hoisting type manual auxiliary device is as follows: the upper hole forming method is characterized in that drilling is carried out by locally expanding 5 cm, manual assistance is matched, hole forming is carried out integrally by manpower compared with a mechanical method, the excavation size is convenient to control, the guarantee of the size is further improved, 2.1 m drilling is adopted in the middle part, so that the drilling efficiency is improved, the residual part is less, the part needing manual chiseling is less, the labor intensity is reduced, the hole forming economy is good, a sound measuring pipe is installed to be used as a detection channel and replace a part of a section of a reinforcing steel bar, the sound measuring pipe can also be used as a pipeline for grouting at the bottom of a pile, the sound measuring pipe can be used as a pipeline for washing and grouting the defect of an accident pile, measures are needed to be taken to punch through the pipeline of the defect part needing grouting, and ultrasonic transmission detection can be carried out through the sound measuring pipe.
When the lifting device is used, a person goes to a position needing manual chiseling through the hanging basket 220, the separated bolt mechanism 150 is operated, the separated bolt mechanism 150 is unlocked to lock the bottom plate piece 130, the bottom plate piece 130 overturns and falls under the action of gravity, the two bottom plate pieces 130 are overlapped to form a supporting structure for the person to stand, the supporting steel cable 162 forms a protective type tensioning supporting bottom plate piece 130, the double-layer connecting frame 120 can support the separated bolt mechanism 150, at the moment, the person can stand on the supporting structure to chive residual soil at two ends of the basic frame, hooking of the anti-falling hook 163 and the third hanging ring 165 is released, the side plate 141 is overturned and opened, the anti-falling hook 163 passes through the rope penetrating hole 142 and then is hung on the third hanging ring 165 again, and the supporting steel cable 162 can be used as a tensioning rope system of the bottom plate piece 130, the situation that the bottom plate member 130 loses support due to the fact that the separated bolt mechanism 150 is accidentally separated from the double-layer connecting frame 120 is reduced, at the moment, people can dig and dig the remaining soil on the two sides of the basic frame, the bottom plate member 130 and the side plate member 140 which are not opened are arranged above and below the manual operation area for protection, even if the situation that the bottom plate member 130 and the side plate member 140 can resist the part of soil due to collapse is reduced, the situation that the personnel safety of the people is affected due to collapse is reduced, the basic frame is supported by the main supporting rod 111 and the auxiliary supporting rod 112 in a double-layer mode, the overall strength of the basic frame is improved, the deformation resistance of the basic frame is improved, meanwhile, the auxiliary supporting rod 112 is located on the inner side of the main supporting rod 111, the situation that the auxiliary supporting rod 112 contacts with the external soil is reduced, and the turnover of the bottom plate member 130 and the side plate member 140 is affected is reduced.
When the bottom board 131 needs to be opened, a person goes down to a position above the position to be opened through the basket 220, the person pulls the unlocking rope 133 or pulls the unlocking rope 133 through a pulling rope on the basket 220, the lower end of the unlocking rope 133 slides along the rope guiding ring 132, the unlocking rope 133 pulls the force applying rod 1516 through a rope hanging ring 1517, the force applying rod 1516 drives the connecting rod 1514 to move into the buffer sleeve 1511, the connecting rod 1514 compresses the first compression spring 1512, the connecting rod 1514 drives the pulling rod 1515, the pulling rod 1515 toggles the board body 1521, the board body 1521 drives the toggling rod 1537, the toggling rod 1537 drives the sliding rod 1533 to slide along the sliding board 1532, the lock tongue 1536 slides and retracts along the lock sleeve 1531, the limit board 1534 moves along the sliding rod 1533, the limit board 1534 drives the second compression spring 1535 to compress, the elastic force of the second compression spring 1535 is increased, the elastic force of the second compression spring 1535 is released, the bottom board 131 is locked by the elastic lock 153, the bottom board 131 can be turned down under the gravity, and the bottom board 131 can be disengaged from the latch 1511 and the pulling rod 1515, the latch bolt 1536 returns to its original position under the elastic force of the second compression spring 1535, the latch bolt 1536 of the elastic latch lock 153 can lock the bottom plate 131 to the auxiliary support rod 112, and then cooperate with the support cable 162 to form a protective tension support, the safety of a person standing on the bottom plate 131 is improved by the bottom plate 131 cooperating with the support of the elastic latch lock 153 and the protective tension support of the support cable 162, at this time, the person can control the bottom plate 131 of the lower layer to unfold at the upper layer to form a support structure for the person, the unlocking rope 133 is released, the first compression spring 1512 pushes the connecting rod 1514 to return to its original position, the person falls on the bottom plate 131 through the basket 220, the person stands on the support structure, at this time, the basket 220 can be lifted, the side plate 141 is opened, the interference of the basket 220 on the opening of the bottom plate 131 and the side plate 141 is reduced, when the bottom plate 131 and the side plate 141 are closed, the side plate 141 is closed, the pull plate rope passes through the rope through hole 134 of the upper layer and then is connected to the tension ring 166, the hanging basket 220 is lifted, the pulling plate rope is pulled, the pulling plate rope pulls the tensioning ring 166, the bottom plate 131 is pulled up through the tensioning ring 166, the external force for closing the bottom plate 131 is provided by the lifting and falling of the hanging basket 220, personnel closing is reduced, and the labor consumption is large.
It should be noted that the specific model specification of the hoist needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the hoisting machine and its principle will be clear to the person skilled in the art and will not be described in detail here.
The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (10)
1. A hole forming method for an anti-slide pile in a red bed soft rock area is characterized by comprising the following steps:
pile position measurement: before the bored pile is constructed, a total station is adopted for accurate measurement and is jointly measured with the roadbed, after a closed triangular net is formed, the position of the bored pile is accurately measured, and a retaining pile is measured and embedded, so that the accuracy of the position is ensured;
manufacturing a locking notch and an orifice protecting wall: for safety and hole position locking, performing locking construction according to measurement positioning before drilling to ensure the stability of the hole opening, making a retaining wall within 1m below the hole opening, and constructing the retaining wall according to geological conditions below 1 m;
installing a drilling machine: after the drilling machine is in place, the base is leveled to ensure that the center of the drill bit and the center of the hole site are on the same plumb line and the deviation with the center of the hole site is within a standard allowable range, the verticality of the drill frame is adjusted to meet the requirements, and the drill frame, the drill bit and other parts are firmly connected and operate well;
installing a drill frame: the drill frame is stably installed, and a fine line weight hanging counter weight is adopted for detection when the drilling machine is positioned, so that the deviation between the center of the drill bit and the center of a hole site is not more than 2 cm;
rotary excavating construction: after the drilling is started, the drilling machine is leveled to be aligned with the drilled hole, the drill bit is lifted and slowly put into the drilled hole, the pile position is aligned, and the drilling is started. In the drilling process, the drill bit is strictly controlled to be improved by no more than 2 meters, during drilling, hole detection is needed to prevent hole deviation, and the drilling machine, the drill bit, the steel wire rope and the fixture are detected in the drilling operation;
drilling holes by rotary digging: 4 holes are formed by a drill bit with the length of 1.2 meters at the periphery, and then 1 hole is formed by a drill bit with the length of 2.1 meters in the middle. Drilling by locally expanding 5 cm outwards to ensure the size property, and manually removing and chiseling the rest part;
rock stratum sampling: when drilling to a rock stratum, taking slag samples in a layered mode, and marking elevations, sizes, pile numbers and dates in slag sample bags;
manual assistance: after mechanical hole forming, installing a hoisting type manual auxiliary device, reaching a cleaning position by means of a hanging basket, opening a corresponding position needing chiseling, chiseling a protruding part of the hole wall from top to bottom by using an air pick, cleaning the hole bottom to form slag, and ensuring that no sediment is left at the hole bottom;
and (4) hole forming and acceptance checking: inspecting the depth, size, hole position and verticality of the hole by using a hole inspection device;
hoisting a steel reinforcement cage: the dead weight of each pile reinforcement cage reaches 10 tons, the reinforcement cages are connected by adopting single steel bars outside holes, and the pile reinforcement cages are hung into the holes by a single crane in a manual matching manner and are installed one by one in a manual descending manner;
installing a pile foundation sounding pipe: arranging 6 sounding pipes of each pile, checking whether pipe walls are damaged or not, checking whether joints are qualified or not, and determining the segment length of each sounding pipe, wherein the length of each sounding pipe needs to be determined according to the segment length of the reinforcement cage, and the lengths of the sounding pipes cannot be too long or too short, otherwise, the upper and lower sounding pipes cannot be connected;
pouring concrete: before pouring concrete, pumping accumulated water in the holes to remove mud, and pouring concrete of the pile body 30-50 cm higher than the designed elevation of the pile top to ensure the quality of the concrete of the pile body after cutting off the pile head;
treating the pile head: the pile head is removed by adopting a manual pneumatic pick mode, the pile head is removed to the position of uniform concrete aggregate at the pile top elevation or below the pile top elevation, and high-grade concrete pile connection is adopted for the pile head lower than the designed elevation.
2. The method for forming the hole in the anti-slide pile in the red soft rock area as claimed in claim 1, wherein the machine base of the drilling machine is tightly plugged by a sleeper pad to ensure stable fixation.
3. The method for forming the hole of the anti-slide pile in the red soft rock area according to claim 1, wherein the delivery length of the sound measurement pipe is 12 meters, 9 meters and 3 meters, and the model of the sound measurement pipe is reasonably matched according to the length of the reinforcement cage.
4. The method for forming the hole in the slide pile in the red soft rock area as claimed in claim 1, wherein the concrete pouring is performed by means of natural pump pouring and vibration of a vibration rod.
5. Artifical auxiliary device of hoist and mount formula, the artifical supplementary this artifical auxiliary device of hoist and mount formula of using of red layer soft rock district friction pile pore-forming method protects, its characterized in that includes:
the auxiliary frame assembly comprises supporting pieces, double-layer connecting frames, bottom plate pieces, side plate pieces, a separated bolt mechanism and a hanging rope piece, wherein the supporting pieces are fixedly connected to the upper side and the lower side of four corners of the double-layer connecting frames, a basic frame is formed by the supporting pieces and the double-layer connecting frames, the bottom plate pieces are rotatably connected to the double-layer connecting frames at two ends of the basic frame, the side plate pieces are respectively rotatably connected to the supporting pieces, the side plate pieces at the same side are locked through door pins, the separated bolt mechanism is respectively installed on the double-layer connecting frames and the bottom plate pieces, the upper ends of the bottom plate pieces can be fixed to the supporting pieces through the separated bolt mechanism, the separated bolt mechanism can be disconnected from the bottom plate pieces and the supporting pieces, and two ends of the hanging rope piece are respectively connected to the bottom plate pieces and the supporting pieces in a hanging mode;
the lifting device comprises a lifting basket component, wherein the lifting basket component comprises a lifting basket support and a lifting basket, the lifting basket support is fixedly connected to the top end of the basic frame, traction steel cables are fixed to four corners of the lifting basket, and the traction steel cables are connected to a lifting machine through guide wheels.
6. The manual hanging aid as claimed in claim 5, wherein said supporting members comprise main supporting rods and auxiliary supporting rods, and said main supporting rods and said auxiliary supporting rods are fixedly inserted into four corners of the inner and outer layers of said double-layer connecting frame.
7. The manual hoisting auxiliary device as claimed in claim 6, wherein the double-layer connecting frame comprises an outer layer connecting rod, an outer layer fixing sleeve, an inner layer connecting rod, a guard plate and a baffle plate, the outer layer fixing sleeve and the outer layer connecting rod are fixedly connected to form an outer layer frame, the inner layer fixing sleeve and the inner layer connecting rod are fixedly connected to form an inner layer frame, the outer layer fixing sleeve and the inner layer fixing sleeve are fixedly connected to each other, the guard plate is fixedly connected to the upper side and the lower side of the inner layer connecting rod, the guard plate is fixedly connected to the upper side of the baffle plate, the baffle plate can block the side plate, and the side plate is locked to the baffle plate through the door pin.
8. The manual auxiliary device of suspended ceiling of claim 7, wherein the hanging rope member comprises a first hanging ring, a supporting steel cable and an anti-drop hook, the first hanging ring and the anti-drop hook are respectively and fixedly connected to two ends of the supporting steel cable, the first hanging ring is sleeved on the auxiliary supporting rod, and the anti-drop hook is hung on the bottom plate member.
9. The manual auxiliary device of claim 8, wherein the auxiliary supporting rod is provided with a second hanging ring, the first hanging ring is sleeved on the second hanging ring, the bottom plate member is fixedly connected with a third hanging ring, and the anti-dropping hook is hung on the third hanging ring.
10. The manual hanging assisting device as claimed in claim 9, wherein the side plate comprises a side plate, a rope threading hole is formed in the side plate, and the anti-dropping hook can be hung on the third hanging ring through the rope threading hole.
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| CN202210996219.6A CN115354673B (en) | 2022-08-19 | 2022-08-19 | Anti-slide pile pore-forming method for red-layer soft rock area and hoisting type artificial auxiliary device |
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| CN202210996219.6A CN115354673B (en) | 2022-08-19 | 2022-08-19 | Anti-slide pile pore-forming method for red-layer soft rock area and hoisting type artificial auxiliary device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116291200A (en) * | 2023-05-25 | 2023-06-23 | 四川省公路规划勘察设计研究院有限公司 | Basalt fiber anchor rod drilling device for high polymer grouting |
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